1. to hold someone’s attention completely so that they cannot think of anything else; to fascinate or captivate
Usage: British spelling; American spelling is ‘mesmerize’
2. to hypnotize someone
Usage: British spelling; American spelling is ‘mesmerize’; less common usage

Examples

• The magician’s performance mesmerised the entire audience.
• She was mesmerised by the beautiful sunset over the ocean.
• The children were mesmerised by the colorful fish in the aquarium.
• His storytelling ability could mesmerise listeners for hours.
• The dancer’s graceful movements mesmerised everyone in the theater.
• The hypnotist claimed he could mesmerise volunteers from the audience.